{"id":"CVE-2020-4027","aliases":["EUVD-2020-25292","GHSA-jp4c-chxh-7gcg"],"status":"published","title":"Atlassian Confluence Server and Data Center before version 7.5.1 allowed remote attackers with...","description":"Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01515,"percentile":0.74692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2020-07-01T01:35:29Z","modified":"2026-06-17T03:19:26Z","products":[{"vendor":"atlassian","product":"confluence"},{"vendor":"atlassian","product":"confluence data center"},{"vendor":"atlassian","product":"confluence server"},{"vendor":"atlassian","product":"confluence_server"}],"references":[{"url":"https://jira.atlassian.com/browse/CONFSERVER-59898","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4027"},{"url":"https://github.com/advisories/GHSA-jp4c-chxh-7gcg"}],"sources":{"cve":[{"id":"CVE-2020-4027","description":"Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.","status":"published","published":"2020-07-01T01:35:29.292Z","modified":"2024-09-17T01:56:01.138Z","updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-25292","description":"Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.","status":"published","published":"2020-07-01T01:35:29Z","modified":"2024-09-17T01:56:01Z","updated_at":"2026-11-03T00:28:45.29969Z"}],"ghsa":[{"id":"GHSA-jp4c-chxh-7gcg","title":"Atlassian Confluence Server and Data Center before version 7.5.1 allowed remote attackers with...","description":"Atlassian Confluence Server and Data Center before version 7.5.1 allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros.","status":"published","published":"2022-05-24T17:22:14Z","modified":"2023-01-29T05:03:05Z","cwes":["CWE-74"],"updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2020-4027","description":"Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.","status":"published","published":"2020-07-01T02:15:12.35Z","modified":"2026-06-17T03:19:26.817Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:06:08.145904Z"}]}}